18211590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11903}}^1$

素因数の和:11933

約数の個数: 48

約数和(自身を含む): 50139648

約数和(自身を除く): 31928058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 11903, 23806, 35709, 59515, 71418, 107127, 119030, 178545, 202351, 214254, 357090, 404702, 535635, 607053, 1011755, 1071270, 1214106, 1821159, 2023510, 3035265, 3642318, 6070530, 9105795, 18211590]

約数ペア:

[(1, 18211590), (2, 9105795), (3, 6070530), (5, 3642318), (6, 3035265), (9, 2023510), (10, 1821159), (15, 1214106), (17, 1071270), (18, 1011755), (30, 607053), (34, 535635), (45, 404702), (51, 357090), (85, 214254), (90, 202351), (102, 178545), (153, 119030), (170, 107127), (255, 71418), (306, 59515), (510, 35709), (765, 23806), (1530, 11903)]